Platelets are pinched off from giant multinucleated cells in the bone marrow called

A) erythroblasts.
B) normoblasts.
C) megakaryocytes.
D) myeloblasts.
E) lymphoblasts.


C

Anatomy & Physiology

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Define vasoconstriction and vasodilation. What is the mechanism of regulation?

What will be an ideal response?

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What is the most common digestive complaint in older people?

A. Ulcerative colitis B. Constipation C. Ascites D. GERD

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In their most mature state, spermatogenic cells are referred to as ________

A) spermatozoa B) secondary spermatocytes C) spermatids D) spermatogonia

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Compared to the nervous system, the endocrine system has

A.  more localized and long-lasting effects. B.  more widespread and long-lasting effects. C.  more localized and short-term effects. D.  more widespread and short-term effects.

Anatomy & Physiology